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D-NET - daikinac.com Brochures/2017/CB-… · D-net software (ITC/ITM) onsite connects to the D-net...
Transcript of D-NET - daikinac.com Brochures/2017/CB-… · D-net software (ITC/ITM) onsite connects to the D-net...
D-NETNetwork Service System
Off-site monitoring for your VRV system investment.Identifies and recommends maintenance solutions.Adjusts your system to help optimize comfort and energy savings.
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D-NET networks your system with Daikin’s monitoring center via the internet. The monitoring center allows Daikin to monitor more than 80 system data points*, operational loads, and weather conditions from more than 400 weather station locations across the United States and Canada. To help ensure comfort, D-NET analyzes the data and uploads the optimum settings for your VRV system.
Continuous monitoring assists with maximum performance. D-NET alerts maintenance personnel in
advance if service is required, and determines what tools or components are necessary for the repair. By identifying potential problems sooner, D-NET monitoring helps extend the life of your system while maximizing efficiency. If an equipment malfunction is detected, an authorized service dealer or contractor can be notified for quick maintenance response to reduce any potential downtime.
D-NET collects Daikin VRV system operation data daily to optimize your system’s performance. As a result, D-Net contributes to efficiency gains without sacrificing comfort.
* D-NET is a paid subscription service. Contact your local Daikin dealer for information for cost and connectivity requirements.
3D-NET Network Servicing System
W
Information on your system’s operation and component status is continually uploaded to Daikin’s monitoring center.
Controls commands are not sent automatically. only when D-net software (ITC/ITM) onsite connects to the D-net server is when the controls command are sent. not a constant sent any time of day or time from our server.
D-NET analyzes your system’s information and calculates the optimum control strategy according to operation loads and local weather conditions.
Data exchange
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Energy-saving control and operation adjustments
Data analysis
Provides energy-savings reporting and maintenance
recommendations.
Remote energy-savingcontrol function
Remote maintenance monitoring control function
Less energy, maximum comfort, and service life.
Daikin’s Monitoring Center
High89°
Low65°
RH33%
3
1
1
Localforecast
4
Refrigerant Temperature Control
Power consum
ption (kWh)
Indoor Temperature(return air)
Power Consumption
(Time)
Temperature Setpoint
90
9:00 10:00 11:00 12:00
80
70
60
50
40
Energy-saving control OFF Energy-saving control ON
Cooling Operation
Power consumption canbe reduced up to 20%while maintainingroom temperaturesetpoints.
Tem
per
atu
re (°
F)
Energy-savingstrategies may be
reduced or suspendedif conditions are
not optimum
Building loads arepredicted based upon
accumulateddata histroyand actualconditions
Nov 01/2015 - Jan 31/2016
Quarterly Term
Jobsite No.
Jobsite Name
Jobsite Address
D-net Report Quarterly
Daikin Manufacturing Company,LP
1645 Wallace Drive, Suite 110,
Carrollton, TX 75006
Outdoor Unit Hours
Description
System Operational Data
These charts show some of the operational points recorded during the monitoring period.
Part information
toAccumulated operation time
Use start day
Accumulation start day
The latest add up day
Outdoor UnitREYQ216PBTJ
Serial NumberA001590
D-Net Address
2
Operation Time2062.6
Error Code
Occurred/Fixed Date
-
Normal
-
High Pressure&Low Pressure Data
Discharge Pipe&Suction Pipe Temp Data
Main components operation time from Nov 1Jan 31
Items
Accumulated
operation hrs
Onsite inspection
recommendation
Every 10000 hrsOU1 INV compressor
1851 hrs Every 6500 hrs
OU1 STD compressor248 hrs
OU1 fan motor
1851 hrs Every 10000 hrs
02/15/14
04/02/14
02/16/16
OU2 INV compressor1944 hrs Every 6500 hrs
OU2 STD compressor372 hrs
OU2 fan motor
1944 hrs
-20
30
80
130
180
230
280
11/01/1511/14/15
11/27/1512/10/15
12/23/1501/05/16
01/18/1601/31/16
℉
Max Discharge TempDischarge Temp Limit
Suction TempSuction Temp Limit
1851hrs
248hrs
1851hrs 1944hrs
372hrs
1944hrs
OU1 INV
compressorOU1 STD
compressorOU1 fan
motor
OU2 INV
compressorOU2 STD
compressorOU2 fan
motor
5000hrs
0
100
200
300
400
500
600
11/01/1511/14/15
11/27/1512/10/15
12/23/1501/05/16
01/18/1601/31/16
PSI
Max High PSIHigh PSI Limit
Min Low PSILow PSI Limit
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Malfunction Information & Malfunction Predictions
System
Current ConditionComments
Status/Recommendations
CU-1
Normal
As of Feb 16
System
Current ConditionComments
Status/Recommendations
CU-2
Normal
As of Feb 16
System
Current ConditionComments
Status/Recommendations
CU-3
Normal
As of Feb 16
System
Current ConditionComments
Status/Recommendations
CU-4
Normal
As of Feb 16
System
Current ConditionComments
Status/Recommendations
CU-5
Normal
As of Feb 16
Meaning of Error Code
Meaning / Method of Malfunction Detection
A3Indoor Unit: Drain Level Control System Abnormality
By float switch OFF detection
A7Indoor Unit: Malfunction of Swing Flap Motor
Utilizes ON/OFF of the limit switch when the motor turns.
Power consumption results::::::
CU-114,105 KWh
A3 - Drain water level line error
Occurred Nov 19.
13,691 KWh9,975 KWh
Occurred Nov 6.
14,355 KWh14,178 KWh
01 Nov 2015 to
-
31 Jan 2016
Summary of operation report
-
CU-2
A3 - Drain water level line error
CU-4
66,304 KWh
CU-3
CU-5
Total power consumption in entire
-
-
A7 - Swing motor malfunction
Occurred during Nov 1 to Jan 28 occasionally.
Error code
Note: Below unit have communication failure to D-net system. Please check "Air-net address" for this unit and let resumes monitoring.
* FXHQ12MVJU/E002110, CU4 system, RM 312 : Air-net address for this indoor unit : 23
66,304 KWh
14,105 KWh 14,178 KWh
14,355 KWh 9,975 KWh
13,691 KWh
0 KWh10,000 KWh
20,000 KWh30,000 KWh
40,000 KWh50,000 KWh
60,000 KWh70,000 KWh
Total:CU-1
CU-2
CU-3
CU-4
CU-5
kWh
CU-1
21%
CU-2
21%
CU-3
22%
CU-4
15%
CU-5
21% Usage Ratio
* This power consumption is calculated based on running data on D-net and actual amount and usage should be not the same.
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Malfunction Information & Malfunction Predictions
System Current Condition Comments Status/RecommendationsCU-1 Normal
As of Feb 16System Current Condition Comments Status/RecommendationsCU-2 Normal
As of Feb 16System Current Condition Comments Status/RecommendationsCU-3 Normal
As of Feb 16System Current Condition Comments Status/RecommendationsCU-4 Normal
As of Feb 16System Current Condition Comments Status/RecommendationsCU-5 Normal
As of Feb 16
Meaning of Error CodeMeaning / Method of Malfunction Detection
A3 Indoor Unit: Drain Level Control System AbnormalityBy float switch OFF detection
A7 Indoor Unit: Malfunction of Swing Flap MotorUtilizes ON/OFF of the limit switch when the motor turns.
Power consumption results
::::::
CU-1 14,105 KWh
A3 - Drain water level line error Occurred Nov 19.
13,691 KWh9,975 KWh
Occurred Nov 6.
14,355 KWh14,178 KWh
01 Nov 2015 to
-
31 Jan 2016Summary of operation report
-
CU-2
A3 - Drain water level line error
CU-4
66,304 KWh
CU-3
CU-5
Total power consumption in entire
--
A7 - Swing motor malfunction Occurred during Nov 1 to Jan 28 occasionally.
Error code
Note: Below unit have communication failure to D-net system. Please check "Air-net address" for this unit and let resumes monitoring. * FXHQ12MVJU/E002110, CU4 system, RM 312 : Air-net address for this indoor unit : 23
66,304 KWh
14,105 KWh 14,178 KWh 14,355 KWh 9,975 KWh
13,691 KWh
0 KWh
10,000 KWh
20,000 KWh
30,000 KWh
40,000 KWh
50,000 KWh
60,000 KWh
70,000 KWh
Total: CU-1 CU-2 CU-3 CU-4 CU-5
kWh
CU-1 21%
CU-2 21%
CU-3 22%
CU-4 15%
CU-5 21%
Usage Ratio
* This power consumption is calculated based on running data on D-net and actual amount and usage should be not the same.
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Based on local weather data and humidity levels, and current building conditions, the optimum energy-saving strategy is calculated and implementedfor the systems.
Daikin continuously monitors the operation of the equipment and building comfort levels. D-NET examines the data and recommends ways to further improve performance, based on accumulated history.
Every building is different. Based upon your location, local weather conditions, and building characteristics, D-NET adjusts your system’s operation to help maximize efficiency.
The control levels can be selected according to businesses and applications. [(1) Standard (2) Comfort priority (3) Saving energy priority]
Control levels can be selected according to business schedules, priorities and applications — and easily changed at any time.
Comfort attained
D-NET helps save energy.
VRV System Operation ReportReport on energy-saving
strategies, results, and recommendations.
Weather Forecast Information
Perceived temperature levels are higher. In these conditions, systems will be optimized to reduce
humidity and perceived temperature for building comfort.
Systems can be dynamically controlled to reduce energy
consumption, while occupant comfort levels are maintained.
Energy-saving control operation OFF to give priority to comfort.
Energy-saving control operation ON while maintaining comfort.
Hot and Humid Hot and Dry
Comfort attained
5D-NET Network Servicing System
Used primarily in mid-size or smaller buildings. Controls function of outdoor VRV systems. Easy installation and programming.
Control up to 20 outdoor VRV systems (with optional Plus Adaptor).
Control up to 80 outdoor units and up to 1024 indoor units.
Other Daikin products (via interface). All VRV systems sold in North America are supported.
i-touch controller type
SystemType
Features
EnergyStrategies
Number of Systems
Refrigerant temperature control.
Capacity save control.
Peak power cut control.
Used in larger buildings, can control up to64 groups (10 outdoor units).
Controls functions of the VRV system consisting ofthe outdoor units, indoor units and air handlers.
Controls up to 512 indoor unit groups with theuse of 7 iTM Plus Adapters.
D-NET provides energy-saving strategies matched to your system and controller.
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Typical outdoorunit failurepredicting item
n
n
Typical indoor unit (cassette) monitoring pointsPredicting
items
Predictingitems
Point of diagnosis
Dirty heat exchanger
Dirty air filter
High pressure, low pressure, heat excharger temperature, suction pipe temperature, and electronic expansion valve opening
Point of diagnosis
High pressure, low pressure, heat excharger temperature, suction pipe temperature, and electronic expansion valve opening
– The predicting items all indicate typical examples.
– The points of diagnosis indicate typical points for failure prediction.
Predicting
items
Predicting
items
Predicting
items
Predicting
itemsPoint of diagnosis
Point of diagnosis
Point of diagnosis
Point of diagnosis
Malfunction of fan
High pressure, low pressure, outdoor temperature, fan, and operation protection control signal
Malfunction of compressor
High pressure, low pressure, discharge pipe temperature, suction pipe temperature, inverter frequency, and inverter current
Dirty heat exchanger
High pressure, low pressure, outdoor temperature, heat exchanger temperature, and operation protection control signal
High pressure, low pressure, discharge pipe temperature, suction pipe temperature, electronic expansion valve opening, and operation protection control signal
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2
3
4
5
6
Refrigerantcharge
accuracy
Daikin’s monitoring capability analyzes patterns of operational data. As a result, D-NET can often anticipate issues before failure occurs. This ensures equipment downtime is minimized, and maintenance effectiveness is increased.
D-NET collects HVAC equipment data continuously to help ensure comfort is maintained and the system runs to its optimal capability.
Daikin’sMonitoring
Center
Servicealert
Contactservice
technician
Remote maintenance-function monitoring.
7D-NET Network Servicing System
Improve energy-savings with recommended maintenance
Energy-savings through D-NET
Preventing unnecessary load on equipment components
Reduce energyconsumption by up to 20%
Values estimated using a 10-Ton VRV
Ou
tdo
or
tem
per
atu
re (
°F)
Po
wer co
nsu
mp
tion
(kWh
)
Date
Outdoor temperature
Power consumption
Power consumption reduced (15%)
6/28
110
100
90
80
70
607/8 7/16 7/24 8/1 8/9 8/19 8/27 9/6
Estimated power consumption without cleaning the
heat exchangers
Consultation of scope of work
with the customer.
Predicting contamination of outdoor unit heat exchangers Cleaned heat exchangers
Cases of trouble prediction
Prediction PredictionPrediction
Crankshaftjournal Bearing metal LubricantMovable scroll (compression functional part)
Stationary and movable scrolls (compression functional parts)
Mirror surface
Wear-out or seizure
Enlarged
Enlarged
Proper operation
Refrigerant-shortage operation continued
Proper operation
Overloaded operation continued
Proper operation
Wet operation continued
Sludge (carbide) deposits
Preventing a wet operation run that would be caused by dirty indoor-unit air filter (during cooling)
Preventing a power-wasting, high-stress operation that would be caused by dirty indoor-unit heat exchanger (during cooling)
Preventing an unexpected stop and compressor damage that would be caused by refrigerant shortage (out of gas)
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To order D-NET or for more information, please contact your local Daikin representative or distributor.
*compared to systems not connected to D-NET
D-NET protects your system with recommended maintenance solutions.
*
CB-DNET 6-17
About Daikin:
Daikin Industries, Ltd. (DIL) is a global Fortune 1000 company, which celebrated its 90th anniversary in May 2014.
The company is recognized as one of the largest HVAC (Heating, Ventilating, Air Conditioning) manufacturers in the world. DIL is
primarily engaged in developing indoor comfort products, systems, and refrigeration products for residential, commercial, and industrial applications. Its consistent success is derived, in part, from a focus on innovative, energy-efficient, and premium quality indoor climate and comfort management solutions.
Contact your local Daikin representative or distributor for more information.
COMMERCIAL ■ RENOVATION ■ NEW CONSTRUCTION
Before purchasing this appliance, please read important information from your retailer regarding estimated annual energy consumption, and operating cost, and energy efficiency rating.
2017
• Specifications, designs, and other content in this brochure are current as of January 2017 but subject to change without notice.